<!doctype html>
<html>
<head>
  <title>Response Hub</title>
  <script>
    var href = window.location.href;
    chrome.extension.sendRequest({
      msg: 'user_authentication_result',
      site: 'sina',
      url: href
    });
  </script>
</head>
<body>
<p>I am a response hub:)</p>
</body>
</html>